<template>
  <div>
    <!-- 顶部面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 头部搜索区域 -->
      <el-row :gutter="20">
        <!-- 搜索框 -->
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <!-- 添加商品按钮 -->
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>

      <!-- 商品列表区域 -->
      <el-table :data="GoodsList" border stripe>
        <!-- 商品内容区域 -->
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称">
        </el-table-column>
        <el-table-column prop="goods_price" label="商品价格(元)" width="105px">
        </el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="80px">
        </el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="160px">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column prop="address" label="操作" width="130px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteGoodsById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页器区域 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total" background>
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: 'MyList',
  data() {
    return {
      // 查询参数
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表数据
      GoodsList: [],
      // 总数据条数
      total: 0
    }
  },
  created() {
    this.getGoodsList()
  },
  computed: {},
  methods: {
    // 获取商品列表数据
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) return this.$message.error('获取商品列表数据失败！')
      this.GoodsList = res.data.goods
      this.total = res.data.total
    },
    // 分页器条数的改变事件
    handleSizeChange(size) {
      this.queryInfo.pagesize = size
      this.getGoodsList()
    },
    // 分页器当前页数的改变事件
    handleCurrentChange(current) {
      this.queryInfo.pagenum = current
      this.getGoodsList()
    },
    // 根据商品Id删除商品数据
    async deleteGoodsById(id) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      // 用户取消了删除的操作
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除！')
      }
      // 删除的业务逻辑
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) return this.$message.error('删除商品失败！')
      this.$message.success('删除商品成功！')
      this.getGoodsList()
    },
    // 跳转到添加商品页面
    goAddPage() {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>
</style>
